Mastering KCSE Biology with Comprehensive Topical Questions and Answers
K.C.S.E Biology Q & A - MODEL 2006PP1QN18
State two functions of bile juice in the digestion of food.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN17
A certain animal has no incisors, no canines, 6 premolars and 6 Molars in its upper jaw. In the lower jaw there are 6 incisors, 2 canines, 6 Premolars and six molars. Write its dental formula.
K.C.S.E Biology Q & A - MODEL 2006PP1QN17
What is the function of carnassials teeth?
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K.C.S.E Biology Q & A - MODEL 2006PP1QN17
Distinguish between the terms homodont and heterodont.
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​Homodont – having same kind/ type/ similar teeth.while Heterodont – having different type kind of teeth
K.C.S.E Biology Q & A - MODEL 2006PP1QN16
What is the importance of the following in an ecosystem?
a) Decomposers b) Predation
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(a) Decomposer – recycling of nutrients
(b) Predation – regulation of numbers/ population
K.C.S.E Biology Q & A - MODEL 2006PP1QN15
Explain continental drift as an evidence of evolution.
answers
​Current continents existed as one large land mass/ Pingea/ Laureshia Guondaland; the present continent drifted leading to isolation of organisms; organism in each continent evolved along different lines hence emergence of new species,
K.C.S.E Biology Q & A - MODEL 2006PP1QN14
Why is oxygen necessary in the germination of seeds?
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K.C.S.E Biology Q & A - MODEL 2006PP1QN14
Distinguish between epigeal and hypogeal germination.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN13
State the economic important of anaerobic respiration in plants.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN13
In what form is energy stored in muscles
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K.C.S.E Biology Q & A - MODEL 2006PP1QN12
An experiment was set up in the experiment as show below.
The set up was left for 30 minutes.
a) State the expected results. b) Explain your answer in (a) above
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​(a) Visking tubing will become turgid; accept will increase in volume / bulges/ swells/ becomes bigger/ expands.
(b) Sucrose solution is hypertonic/ water is hypotonic; water moves from beaker into visking tube by osmosis though semi permeable visking tubing, making visking tubing turgid. Or water moves from beaker into visking tubing by osmosis, through semi permeable visking tubing; with hypertonic solution.
K.C.S.E Biology Q & A - MODEL 2006PP1QN11
State the role of insulin in human body.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN10
State the important of tactic response among some members of kingdom protista.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN09
What is significance of meiosis?
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K.C.S.E Biology Q & A - MODEL 2006PP1QN09
State two processes which occur during anaphase of mitosis.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN08
State the role of vitamin C in humans.
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​Prevents scurvy/ prevent bleeding of gums/ prevent bleeding of gums/ Prevents poor healing of wounds/ prevent degeneration of muscle and cartilages/ prevent red spot on skin/ prevent anemia
Excretion absorption of iron Enables absorption of iron Boost immunity Development of healthy gums Synthesis/ maintenance of collagen fibres/ connective
K.C.S.E Biology Q & A - MODEL 2006PP1QN07
state three functions of blood other than transport.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN07
Name one defect of circulatory system in humans.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN06
State three characteristics of Monera that are not found in other kingdoms.
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State two ways in which floating leaves of aquatic plants are adapted to gaseous exchange.19/6/2020
K.C.S.E Biology Q & A - MODEL 2006PP1QN05
State two ways in which floating leaves of aquatic plants are adapted to gaseous exchange.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN04
What is the role of sweat in human skin?
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K.C.S.E Biology Q & A - MODEL 2006PP1QN04
Name the fluid that is produced by sebaceous glands.
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K.C.S.E Biology Q & A - MODEL 2006PP1QN03
How is support attained herbaceous plants?
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K.C.S.E Biology Q & A - MODEL 2006PP1QN03
Name two tissues in plants which are thickened with lignin.
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